Authors: Agatha P Colbert; Helané Wahbeh; Noelle Harling; Erin Connelly; Heather C Schiffke; Cora Forsten; William L Gregory; Marko S Markov; James J Souder; Patricia Elmer; Valerie King Journal: Evid Based Complement Alternat Med Date: 2007-10-04 Impact factor: 2.629